/Engine/Source/Runtime/Engine/Public/MaterialCachedHLSLTree.h
bool IsAttributeUsed ( [UE::HLSLTree::FEmitContext](API\Runtime\Engine\HLSLTree\FEmitContext) & Context, [UE::HLSLTree::FEmitScope](API\Runtime\Engine\HLSLTree\FEmitScope) & Scope, const [UE::HLSLTree::FPreparedType](API\Runtime\Engine\HLSLTree\FPreparedType) & ResultType, EMaterialProperty Property ) const